Long term play would be to either use it as a short term rental or 1031 exchange it after 2+ years.

that OR consider buying a property you could short-term rent to people who literally just want to visit the casino if it's a large/decent one. 

These will eat away at any "cashflow" you may have.2.Tenant Issues: Properties in certain areas may face challenges with tenant behavior, making it tough to maintain the house long-term.

Use your first deal as a stepping stone to long-term success!

Second, in terms of asset protection, LLCs are not invincible, but I think what many don’t understand is that they are not designed to completely shield your assets from liabilities, on the contrary they are designed to contain and isolate liabilities. 

I’d hold the PM accountable for poor oversight—they should’ve been more proactive.That said, it’s also important to weigh the long-term relationship with your PM.

I know i personally wont build anything with adjoining walls as the long term liability is to much risk for me.

The ADU would then be used as a long-term rental.Does this qualify as a “like-for-like” property exchange even though I’m technically not buying another property and does a 1031 apply?

My long-term goal would be investing in large scale hotels, I know I know, that's quite ambitious, but I don't mind starting small and working my way up there, as long as I start from somewhere!

I do pretty much like more SD than SA, but as you asked, the money that I have to invest it aint that much, goes between 30-40K to start and will be definitely for long term, as I said, I´m a beginner in this business in the US, as commons says I´m at the baby steps stage right now.